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Business Combination - Additional Information (Detail) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
May 27, 2016
Jul. 29, 2017
Feb. 02, 2019
Feb. 03, 2018
Jan. 28, 2017
Business Acquisition [Line Items]          
Acquisition-related costs         $ 2,847
Design Investors WW Acquisition Company, LLC [Member]          
Business Acquisition [Line Items]          
Purchase price of acquisition $ 119,900        
Cash portion of purchase price 118,400        
Fair value of shares issued to acquire business $ 1,500        
Voting equity interest 100.00%        
Acquisition-related costs     $ 0 $ 0 $ 2,800
Purchase price allocation adjustment due to changes in certain working capital and other items   $ 1,900      
Increase in carrying value of acquired finished goods inventory     $ 9,700    
Design Investors WW Acquisition Company, LLC [Member] | Water works [Member] | Minimum [Member]          
Business Acquisition [Line Items]          
Total equity interest acquired 90.00%